Follow The Daily Grail on Facebook and on Twitter for more fascinating stories on alternative history and beyond-the-paradigm science. The earliest known evidence for ancient knowledge of magnetism is the writing of the sixth century BCE Greek philosopher Thales of Miletus, who described the attraction between a magnetite-rich lodestoneand fragments of iron. However, there is some circumstantial … Continue reading Ancient Mesoamerican Sculptures Found to Intentionally Incorporate Magnetism